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/* -*- mode: c++; c-basic-offset:4 -*-
uiserver/uiserver_unix.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2007 Klarälvdalens Datakonsult AB
Kleopatra is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Kleopatra is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <config-kleopatra.h>
#include "uiserver_p.h"
#include <QFile>
#include <QDir>
#include <stdexcept>
#include <cassert>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <cstdio>
#include <cerrno>
#include <cstring>
using namespace Kleo;
using namespace boost;
static inline QString system_error_string() {
return QString::fromLocal8Bit( strerror(errno) );
}
QString UiServer::Private::makeFileName( const QString & socket ) const {
if ( !socket.isEmpty() )
return socket;
if ( tmpDir.status() != 0 )
throw_<std::runtime_error>( tr( "Couldn't create directory %1: %2" ).arg( tmpDirPrefix() + "XXXXXXXX", system_error_string() ) );
const QDir dir( tmpDir.name() );
assert( dir.exists() );
return dir.absoluteFilePath( "S.uiserver" );
}
void UiServer::Private::doMakeListeningSocket( const QByteArray & encodedFileName ) {
// Create a Unix Domain Socket:
#ifdef HAVE_ASSUAN_SOCK_GET_NONCE
const assuan_fd_t sock = assuan_sock_new( AF_UNIX, SOCK_STREAM, 0 );
#else
const assuan_fd_t sock = ::socket( AF_UNIX, SOCK_STREAM, 0 );
#endif
if ( sock == ASSUAN_INVALID_FD )
throw_<std::runtime_error>( tr( "Couldn't create socket: %1" ).arg( system_error_string() ) );
try {
// Bind
struct sockaddr_un sa;
std::memset( &sa, 0, sizeof(sa) );
sa.sun_family = AF_UNIX;
std::strncpy( sa.sun_path, encodedFileName.constData(), sizeof( sa.sun_path ) - 1 );
#ifdef HAVE_ASSUAN_SOCK_GET_NONCE
if ( assuan_sock_bind( sock, (struct sockaddr*)&sa, sizeof( sa ) ) )
#else
if ( ::bind( sock, (struct sockaddr*)&sa, sizeof( sa ) ) )
#endif
throw_<std::runtime_error>( tr( "Couldn't bind to socket: %1" ).arg( system_error_string() ) );
// ### TODO: permissions?
#ifdef HAVE_ASSUAN_SOCK_GET_NONCE
if ( assuan_sock_get_nonce( (struct sockaddr*)&sa, sizeof( sa ), &nonce ) )
throw_<std::runtime_error>( tr("Couldn't get socket nonce: %1" ).arg( system_error_string() ) );
#endif
// Listen
if ( ::listen( sock, SOMAXCONN ) )
throw_<std::runtime_error>( tr( "Couldn't listen to socket: %1" ).arg( system_error_string() ) );
if ( !setSocketDescriptor( sock ) )
throw_<std::runtime_error>( tr( "Couldn't pass socket to Qt: %1. This should not happen, please report this bug." ).arg( errorString() ) );
} catch ( ... ) {
::close( sock );
throw;
}
}

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